China DTH Hammer Rock Drilling DTH Hammer Milling Button Drill Bit for Well 360-190mm DTH Bits DHD340 125mm, Find details about China DTH Bit, Down Hammer Bit from DTH Hammer Rock Drilling DTH Hammer Milling Button Drill Bit for Well 360-190mm DTH Bits DHD340 125mm
HAMMER INCH | BIT DIA(MM) | BIT DIA(INCH) | SHANK |
1 | 64MM-76MM | 2 1/2"-3" | BR1 |
2 | 76MM-90MM | 3"-3 1/2" | BR2/PAD320 |
3 | 85MM-105MM | 3 2/5"-4" | BR3/DHD330/COP32/PAD330 |
3.5 | 85MM-110MM | 3 2/5"-4 1/3" | DHD3.5/IR3.5/COP34/QL30/PAD3.5 |
4 | 105MM-140MM | 4"-5 1/2" | DHD340/COP44/QL40/SD4/MISSION40/PAD340 |
5 | 127MM-200MM | 5"-8" | DHD350/COP54/QL50/SD5/MISSION50/PAD350 |
6 | 152MM-254MM | 6"-10" | DHD360/COP64/QL60/SD6/MISSION60/PAD360 |
8 | 195MM-350MM | 7.2/3"-13 4/5" | DHD380/COP84/QL80/SD8/MISSION80/PAD380 |
10 | 254MM-380MM | 10"-15" | SD10/NUMA100/DHD1100/PAD1100 |
12 | 305MM-457MM | 12"-18" | SD12/NUMA120/DHD1120/PAD1120 |
Q1: Can I have a sample for testing?
A:Samples are still to be paid but discounted price can be provided.
Q2: Do you have the inspection procedures?
A:100% strict inspection and testing for every order before packing.
Q3: How can i get the after sale services?
A:Free replacement will provide once the problems casued by our product quality.
Q4: Can I have a visit to your factory before the order?
A: Sure, welcome, here is our address: Yantai, Shandong.